PC - DS wifi compatible cards

<a href="http://www.gbax.com/main.pl" target="_blank" >GBAx.com</a> have posted the following news:

<BLOCKQUOTE>We have PC - DS wifi compatible cards for the PC, you can upload and run homebrew/freeware/demos to your DS console with these, get them here.</BLOCKQUOTE>

Time for me to get one too :)

Really wanna get it but just dont think its worth it yet as theres not much happening, in a few months there'll be loads of homebrew games and emu's so i'll probably get Wi-Fi on my PC soon.

Are only the cards they're selling compatible?